JPS6065172A - Production of washable creped cloth - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method for producing a crepe-like fabric of good quality by using raw silk or spun silk in combination with synthetic fibers.

Prior Art Silk fabrics, especially crepe fabrics, use highly twisted yarns for the weft yarns, so it has been considered impossible to wash them completely due to dimensional stability concerns. However, the biggest concern for consumers is wash-and-wear characteristics, that is, whether or not they can be washed completely, and the development of applications for silk products that cannot be washed completely is severely restricted.

Purpose of the Invention The present invention provides a novel method for producing a crepe-like fabric that has improved wash-and-wear properties and dimensional stability without impairing the feel, hygroscopicity, color development, etc. unique to silk crepe. The purpose is to provide.

Structure of the Invention The method of the present invention involves scouring and heat setting after weaving or knitting using a combination of raw silk or spun silk and synthetic fibers. Covered yarn (A ).

As the synthetic fibers, thermoplastic synthetic fibers such as polyester, nylon, and acrylic are mainly used.

Covered yarn (A) is made by winding 1000 to 3000 t//#1 of raw silk or spun silk around a yarn made by twisting 20 to 100 d of synthetic fiber and raw silk or spun silk at 1500 to 4500 t/m. is preferred, covered yarn (
Synthetic fibers other than those used as A) are 20 to 100 d.
1,000 to 3,000 tons of raw silk or spun silk to synthetic fibers
It is preferably used as a covered yarn (B) wound at a rate of WL.

In the present invention, crepe with a good texture and excellent dimensional stability can be produced by using synthetic fibers as a specific covered yarn, but it is of course possible to use single-twisted raw silk yarn as the hard-twisted yarn. In the case of woven fabric, covered yarn (B) or covered yarn (B) is used in the warp.
) and raw silk, and it is preferable to use covered yarn (4) or covered yarn (A) and raw silk with single-twist strongly twisted yarn for the weft. In addition, it is particularly preferable that covered yarn GA) occupies more than A of the highly twisted yarns.

By scouring, the untwisting torque of the highly twisted yarn is developed and the sericin is removed, and an effective "grained" pattern is formed, which is the same as in the normal crepe manufacturing method. However, in the present invention, a subsequent heat-setting step sets the synthetic fibers to a specific length and achieves dimensional stability of the fabric. Heat setting conditions are appropriately selected depending on the synthetic fiber used.

Example warps include (1) 4 pieces of raw silk 21 mm and (2) 3 pieces of raw silk 21 mm made of 50 d of polyester at a weight of 2000 tons/.
.

5 covered yarns (B) wrapped around each other in a 2:2 arrangement.
3&ffi, and as a weft, (3)
3000 tons of 50 d polyester and 6 pieces of 21 medium raw silk
/-K m ffi L,, 200 pieces of raw silk 21 medium × 3 pieces
A covered yarn wound at a rate of 0 t/m (7) was laid at 20 $A so that left-handed twists and right-handed twists were alternately made into a gray fabric.

This gray fabric was made up of 20% polyester fibers, and was scoured with a scouring solution consisting of standing water containing 5% soap, 3% sodium silicate, and hydro, and then heat set at 190°C to a predetermined width.

The product is a crepe with a beautiful grain shape, and has a very good texture like traditional crepe made only of silk, and is washable with almost no shrinkage even after treatment with wax water. Ta.

In addition, when the gray fabric was scoured and heat-set using raw single-twist strongly twisted raw silk as the weft and the ratio of polyester fiber was 10%, it shrunk by 2% when treated with hot water.

Moreover, the summer sweater knitted using the covered yarn (A) of (3) was very flexible and had excellent washing resistance.

In the present invention, synthetic fibers are used in combination, but since all synthetic fibers are used as covered yarns covered with raw silk or spun silk, the product has a good feel, moisture absorption, and dyeability similar to crepe made of silk alone. can get. Furthermore, in the present invention, since synthetic fibers are used as the highly twisted yarns, the fabric has excellent dimensional stability when heat set after scouring, and the highly twisted yarns made of synthetic fibers are made of raw silk or single-twisted highly twisted yarns made of spun silk. Because it was covered with fibers, the weight was reduced by removing sericin during scouring, and even though synthetic fibers were used,
The product is supple and has a very nice texture.

In addition, since the present invention uses 10% or more of synthetic fibers,
Even after washing and hot water treatment, the product shows almost no shrinkage, and a very stable crepe-like fabric with excellent wrinkle resistance can be obtained.

Procedural amendments Commissioner of the Patent Office 1, Indication of case: 1982 Patent Application No. 1'744982, Title of invention: Process for manufacturing washable chishimen 3
, Relationship with the case of the person making the amendment Name of the person who issued the patent Naka 1) Satoshi Hide 4, Agent 〒604 6, Number of inventions increased by amendment 7, Subject of amendment Full text of the specification 8, Amendment Contents (1) # button on the specification. (No change in content) 9 List of attached documents 111 Amendment details w 1 copy

Claims (4)

[Claims] (1) Weaving or knitting using a combination of raw silk or spun silk and synthetic fibers, scouring and heat setting, and using synthetic fibers of 10% or more by weight, and all synthetic fibers being raw silk or spun silk. It is used as a covered yarn (A) in which at least a part of the synthetic fiber is wrapped with raw silk or spun silk around a single-twisted strongly twisted yarn made of synthetic fiber and raw silk or spun silk. The manufacturing method of washerpull chirimen is characterized by: (2) Synthetic fibers other than those used as the covered yarn (A) are used as covered yarn (B), which is obtained by winding raw silk or spun silk around 20 to 100 d synthetic fibers at a rate of 1000 to 3000 t/m. A method according to claim 1, characterized in that: (3) Use the covered yarn (B) or covered yarn (B) and raw silk for the warp, and use the covered yarn (B) for the weft.
4) The method according to claim 2, characterized in that the fabric woven using the covered yarn (4) and single-twist strongly twisted raw silk is scoured and heat set. (4) The covered yarn (A) is made of synthetic fibers of 20 to 100 d and raw silk or spun silk of 1500 to 45 oot//
rn twisted yarn with raw silk or silk spun yarn 1000~3000
The method according to any one of claims 1 to 3, characterized in that the method is wound at a thickness of 1/m.